UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b1Zo9hyJEsGugUj4RNqy5U5DUVsgdOFX9o/flHCmmNE=' 
WHERE 
  key_id = 'a7e3ea4a3b3cee0d38b2b7d94cd04ccbdacf70ffb49f7188e0b65421bb393b8b' 
  AND (
    token = 'b1Zo9hyJEsGugUj4RNqy5U5DUVsgdOFX9o/flHCmmNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )